This example demonstrates how to use LDR as a switch; each time you cover the LDR, the LED is turned on (if it's off), and off (if it's on).
Project showcase by muhammed amar slik
Got a 3D printer and a spare Arduino Uno or Mega? Make a working lighthouse for your home.
Project showcase by Anton
Arduino Gemma and Neopixel LEDs to give some life to my 3D Printed Princess Hilda Staff: Zelda Link Between Worlds.
Project showcase by Amie DD
How can you resist the glow of a nixie tube? You don't have to, make your own the easy way!
Project showcase by deathorion
The LEDog collar lights up when it gets dark, helping you locate your dog from far away.
Project showcase by circuito.io team
This is my project about an Analog Clock on a LED matrix and Arduino.
Project showcase by LAGSILVA
Driving a dot matrix display with Arduino using data from a Winamp plugin.
Project showcase by raul
Lights that turn on when they receive an infrared signal from an old TV remote.
Project showcase by jsheng
Cool Origami Lamp Using Arduino Uno, LED Strip, IR Sensor Module.
Project showcase by Barqunics
Everybody here loves binary clocks. So do I, so I made one for myself.
Project showcase by pdio
By controlling the LED strip from a computer, you can do almost anything! I used it to create a dancing light show for music.
Project showcase by kendfrey
A lamp which changes color according to the tweets of people.
Project showcase by Kaustubh Agarwal
Binary Clock using LED Matrix module (8x8) and presenting many features: time, date, day of week, week of year and also the Moon phase!
Pedestrian walk cycle will only occur when both lights are red AND button has been pressed.
Project showcase by FalcomDigital
Learn to flash Red and Blue LED's to resemble police Lights.
Project showcase by Jolynn Awesome
This is an original ternary digital clock running with Arduino! It's very simple and unlike anything you've ever seen!
Built with recycled elements, high brightness color LEDs and an RGB LED.
Project showcase by Guiye Perez Bongiovanni
A fun project where you get colorful blinks depending on the RFID ID.
Project showcase by Werzaire
Receive the signal and control an LED.
Project showcase by Nicholas_N
8 light, rear of vehicle traffic advisor controller, with 4 modes and 14 patterns.
Project showcase by dylanraymond
In this project, we will print out Morse Code of a sentence typed in Serial Monitor by flashing LED for each word and space between them.
Project showcase by Team ONYX
Set up an RGB LED to phase through the colors of the rainbow, or use twist knobs to make a custom color.
Project showcase by 3 developers
Lightstick with various effects, "Song Programming Mode" and a smartphone compatible user interface.
Project showcase by mattywausb
Global warming caused acidification of the sea, bleaching the corals. What was once a thriving habitat for thousands of species, now bare.
Project showcase by Arvin Febriyan
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